:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --border: rgba(16, 24, 40, 0.09);
  --text: #0f1728;
  --text-muted: #566176;
  --accent: #229ed9;
  --accent-pressed: #1b8bc0;
  --radius: 16px;
  --shadow: 0 8px 24px rgba(15, 23, 40, 0.06);
  --page-max-width: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Manrope, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.45;
}

.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 64px;
  flex-wrap: wrap;
}
.logo { font-weight: 800; font-size: 18px; color: var(--text); }
.site-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-nav a { color: var(--text-muted); font-size: 15px; }
.header-cta { margin-left: auto; }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-pressed); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }

.breadcrumbs { padding: 16px 0 0; font-size: 14px; color: var(--text-muted); }
.breadcrumbs .sep { margin: 0 4px; }

main { padding: 32px 0 48px; }

.hero h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
.hero .lead { font-size: 17px; color: var(--text-muted); max-width: 640px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card h2 { margin: 0 0 8px; font-size: 20px; }
.card p { color: var(--text-muted); margin: 0 0 12px; }

.steps { margin-top: 40px; }
.steps h2 { font-size: 24px; }
.steps ol { color: var(--text-muted); padding-left: 20px; }
.steps li { margin-bottom: 8px; }

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 32px 0 24px;
  margin-top: 48px;
}
.footer-inner { display: flex; gap: 24px; justify-content: space-between; flex-wrap: wrap; }
.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.muted { color: var(--text-muted); font-size: 14px; }
.copyright { margin-top: 24px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 27px; }
  .header-cta { margin-left: 0; }
}

.search {
  width: 100%;
  max-width: 360px;
  height: 44px;
  margin: 24px 0 16px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font: inherit;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-align: center;
}
.tile:hover { text-decoration: none; border-color: var(--accent); }
.tile-img { width: 96px; height: 96px; object-fit: contain; margin: 0 auto; }
.tile-name { font-weight: 700; font-size: 15px; }
.tile-price { color: var(--text-muted); font-size: 14px; }

.collection-head {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.collection-img { width: 200px; height: 200px; object-fit: contain; }
.collection-head h1 { font-size: 30px; margin: 0 0 8px; }
.price-range { font-size: 26px; font-weight: 800; margin: 0 0 4px; }

.faq { margin-top: 40px; }
.faq h3 { margin-bottom: 4px; font-size: 17px; }
.faq p { color: var(--text-muted); margin-top: 0; }
.similar { margin-top: 40px; }

.calc {
  margin: 24px 0 8px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.calc-price { display: flex; align-items: baseline; gap: 10px; }
.calc-price-label { color: var(--text-muted); font-size: 15px; }
.calc-price-value { font-size: 30px; font-weight: 800; }
.calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 16px 0;
  max-width: 260px;
  color: var(--text-muted);
  font-size: 14px;
}
.calc-field input {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.calc-note { font-size: 13px; margin: 12px 0 0; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  background: var(--bg);
}
.chip:hover { text-decoration: none; border-color: var(--accent); }
.chip-active { border-color: var(--accent); background: var(--surface); }
.chip-title { font-weight: 700; font-size: 15px; }
.chip-price { color: var(--text-muted); font-size: 13px; }